Home / 28,164.88-38,860.62-17,260.04

Finding the Fourth Proportional to 28,164.88, 38,860.62 and 17,260.04

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Solution

The fourth proportional to 28,164.88, 38,860.62 and 17,260.04 is: 23,814.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,164.88 : 38,860.62 = 17,260.04 : x
  2. Step 2: Convert to fraction form
    28,164.88/38,860.62 = 17,260.04/x
  3. Step 3: Cross multiply
    28,164.88x = 38,860.62 × 17,260.04
  4. Step 4: Simplify right side
    28,164.88x = 670,735,855.62
  5. Step 5: Solve for x
    x = 670,735,855.62/28,164.88
  6. Step 6: Final answer
    x = 23,814.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.